def create_bid(item, bidder, bid_amount):
bid = Bids()
bid.item = item
bid.bidder = bidder
bid.bid_amount = bid_amount
bid.save()
return bid
def Highestbid(N, item):
topN={}
i=1
s = Bids.search().sort('-bid_amount')
topN_result = s.filter("term", item = item.item_name).execute()[:N]
for bid in topN_result:
topN[i]=({'Bidder':bid.bidder, 'Item':bid.item, 'Bid Amount': int(bid.bid_amount)}) #int to remove L character from output
i=i+1
return topN
def create_bid(item, bidder, bid_amount):
bid = Bids()
bid.item = item
bid.bidder = bidder
bid.bid_amount = bid_amount
bid.save()
return bid
def Highestbid(N, item):
topN = {}
i = 1
s = Bids.search().sort('-bid_amount')
topN_result = s.filter("term", item=item.item_name).execute()[:N]
for bid in topN_result:
topN[i] = ({
'Bidder': bid.bidder,
'Item': bid.item,
'Bid Amount': int(bid.bid_amount)
}) #int to remove L character from output
i = i + 1
return topN
def sell_items(request, item):
s = Bids.search()
s.aggs.bucket('SP', 'terms', field=ITEM_INDEX).metric('max_bid', 'max', field='bid_amount')
response = s.execute()
for term in response.aggregations.SP.buckets:
if term.key == item.item_name:
selling_price = term.max_bid.value
buyer = get_bid(item_name=item.item_name, amount=selling_price)[0].bidder
doc = dict(status="Sold", sold_to=buyer)
update_item(item= item, key_value=doc)
return HttpResponse("Item Sold: {0} at {1} to {2}".format(item.item_name, selling_price, buyer))
def sell_items(request, item):
s = Bids.search()
s.aggs.bucket('SP', 'terms', field=ITEM_INDEX).metric('max_bid',
'max',
field='bid_amount')
response = s.execute()
for term in response.aggregations.SP.buckets:
if term.key == item.item_name:
selling_price = term.max_bid.value
buyer = get_bid(item_name=item.item_name, amount=selling_price)[0].bidder
doc = dict(status="Sold", sold_to=buyer)
update_item(item=item, key_value=doc)
return HttpResponse("Item Sold: {0} at {1} to {2}".format(
item.item_name, selling_price, buyer))
def get_bid(bidder=None, item_name = None, amount=None):
try:
s= Bids.search()
if item_name:
if bidder:
bid = s.filter("term", item = item_name).filter("term", bidder = bidder).execute()
elif amount:
bid = s.filter("term", item = item_name).filter("term", bid_amount = amount).execute()
else:
bid = s.filter("term", item = item_name).execute()
elif bidder:
bid = s.filter("term", bidder = bidder).execute()
else:
print "ERROR: Item_name and Bidder not present"
bid = False
except NotFoundError:
return False
else:
return bid
def get_bid(bidder=None, item_name=None, amount=None):
try:
s = Bids.search()
if item_name:
if bidder:
bid = s.filter("term",
item=item_name).filter("term",
bidder=bidder).execute()
elif amount:
bid = s.filter("term", item=item_name).filter(
"term", bid_amount=amount).execute()
else:
bid = s.filter("term", item=item_name).execute()
elif bidder:
bid = s.filter("term", bidder=bidder).execute()
else:
print "ERROR: Item_name and Bidder not present"
bid = False
except NotFoundError:
return False
else:
return bid
from datetime import datetime, timedelta
from django.contrib.auth.decorators import login_required
from django.db.models import Max
from view_helper import read_request_item, scheduler, is_sold, Highestbid, values, is_owner, update_item
from items.ES.constants import messages
from elastic import add_item, get_item, get_bid
from es_models import Items,Bids
from elasticsearch_dsl.connections import connections
from django.http import HttpResponse
# initializing
connections.create_connection(hosts=['localhost'])
s = scheduler()
Items.init()
Bids.init()
ITEM_INDEX= 'item'
@login_required(login_url='http://localhost:8000/login_message/')
def add_items(request):
seller, item_name, min_bid =read_request_item(request)
print seller, item_name, min_bid
#item = add_item(seller, item_name, min_bid)
item = get_item(item_name=item_name)
exec_time= datetime.now() + timedelta(hours = 1)
s.addjob(function=sell_items, time= exec_time, arguments=[request, item])
return ("Added Item: {0} {1}".format(item.item_name, item.__dict__))
from datetime import datetime, timedelta
from django.contrib.auth.decorators import login_required
from django.db.models import Max
from view_helper import read_request_item, scheduler, is_sold, Highestbid, values, is_owner, update_item
from items.ES.constants import messages
from elastic import add_item, get_item, get_bid
from es_models import Items, Bids
from elasticsearch_dsl.connections import connections
from django.http import HttpResponse
# initializing
connections.create_connection(hosts=['localhost'])
s = scheduler()
Items.init()
Bids.init()
ITEM_INDEX = 'item'
@login_required(login_url='http://localhost:8000/login_message/')
def add_items(request):
seller, item_name, min_bid = read_request_item(request)
print seller, item_name, min_bid
#item = add_item(seller, item_name, min_bid)
item = get_item(item_name=item_name)
exec_time = datetime.now() + timedelta(hours=1)
s.addjob(function=sell_items, time=exec_time, arguments=[request, item])
return ("Added Item: {0} {1}".format(item.item_name, item.__dict__))
#Is payement logic required?